HEAT BLOCK will:

protect painted surfaces, wiring, tubing (plastic & rubber)

protect against distortion of welded stainless,

prevent surface discoloration of welded stainless,

protect surrounding surfaces from flame,

prevent damage to valves in close proximity to weld area,

prevent spatter from adhering to surrounding surfaces,

prevent damage to adjoining valves and washers during sweating and soldering,

protect surrounding surfaces from flame and heat,

protect pipe insulation from flame and heat damage,

protect bulkheads when welding and pipe sweating,

protect cable from heat and flame during welding and plumbing repairs,

protect valve gaskets during plumbing repairs...